Doctor William Sharpe was trained by Dr. Harvey Cushing, and Dr. Sharpe gives a vivid picture of that man's eccentricities and quick temper. Obviously, Cushing was a hard man to work for. He drove himself mercilessly, and he drove his assistants in the same way. If a man failed in the slightest, or seemed to have failed, the chief might scold the man violently, and if the assistant showed that he had done what he was told to do, Dr. Cushing just walked off without saying a word. On one occasion, Dr. Cushing made Dr. Sharpe so angry that he grabbed Dr. Cushing by the neck and was going to hit him in the face, when fortunately he controlled himself. He and Cushing never mentioned this experience again, but apparently Cushing decided to make peace because he invited Sharpe to his home for dinner.
Doctor Brewer had warned Sharpe when